BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 102 43.8%
2 China 62 26.6%
3 Taiwan 16 6.9%
4 Germany 14 6%
5 Hong Kong 9 3.9%
6 Korea, Republic of 7 3%
7 Malaysia 5 2.1%
8 Canada 5 2.1%
9 Ecuador 4 1.7%
10 Iran, Islamic Republic of 3 1.3%
11 Colombia 2 0.9%
12 Myanmar 1 0.4%
13 Portugal 1 0.4%
14 Turkey 1 0.4%
15 United Kingdom 1 0.4%